225/40 R18 is a low-profile size found on performance hatchbacks and sport-styled family cars with 18 inch alloys. A budget new tyre in this size can save a lot compared with premium brands while still giving a W speed rating. Every tyre below is brand new, with free mainland UK delivery from our Slough base and 30-day returns.

What does 225/40 R18 mean?

  • 225: the tyre is 225mm wide
  • 40: the sidewall height is 40% of the width, about 90.0mm
  • R: radial construction
  • 18: fits a 18 inch wheel

That gives an overall diameter of roughly 637mm. The tyres we stock in this size are rated 92W XL. Your replacement should match or exceed the load index and speed rating on your current tyres. See our tyre size guide for a full load index and speed rating chart.

Which cars use 225/40 R18 tyres?

225/40 R18 is commonly fitted to performance hatchbacks such as the VW Golf GTI, SEAT Leon FR and Cupra, Ford Focus ST, Audi A3 S line and BMW 1 Series M Sport. Sizes vary by model, year and trim, so always confirm the size printed on your existing tyres or in your vehicle handbook before ordering.

Multi-buy savings, delivery and fitting

Buy two tyres and save 4%, three and save 6%, or four or more and save 8%, applied automatically in your basket. Delivery is free to mainland UK addresses, and fitting and balancing are available as a separate charge. Need help? Ring 01753 873102 or WhatsApp 07946 599666.

225/40 R18 tyre FAQs

Will a 225/40 R18 tyre protect my alloys?

Low-profile tyres have a short sidewall, so take care near kerbs. The tyre size itself must match your car, so always check your current tyres before ordering.

Are budget tyres safe?

Yes. Every tyre we sell is new, carries the EU tyre label and meets UK and EU road-legal standards.

Other popular sizes

Browse 205/55 R16, 225/45 R17, 195/55 R16, 195/65 R15, 205/60 R16, 225/55 R17, or see all budget tyres.